v0.5b: fixed memory leak; initial travis ci support

.travis.yml

@@ -0,0 +1,30 @@
+language: c
+before_install:
+  - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16"
+  - sleep 3
+  - export DISPLAY=:1.0
+  - wget https://downloads.arduino.cc/arduino-1.8.9-linux64.tar.xz
+  - tar xf arduino-1.8.9-linux64.tar.xz
+  - sudo mv arduino-1.8.9 /usr/local/share/arduino
+  - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino
+  - wget https://github.com/me-no-dev/ESPAsyncWebServer/archive/master.zip
+  - unzip master.zip
+  - sudo mv ESPAsyncWebServer-master /usr/local/share/arduino/libraries/ESPAsyncWebServer
+  - rm master.zip
+  - wget https://github.com/me-no-dev/AsyncTCP/archive/master.zip
+  - unzip master.zip
+  - sudo mv AsyncTCP-master /usr/local/share/arduino/libraries/AsyncTCP
+
+install:
+  - arduino --pref "boardsmanager.additional.urls=https://dl.espressif.com/dl/package_esp32_index.json" --save-prefs
+  - arduino --pref "custom_FlashFreq=ttgo-lora32-v1_80" --save-prefs
+  - arduino --install-boards esp32:esp32 --save-prefs
+  - ln -s $PWD/libraries/SondeLib /usr/local/share/arduino/libraries/SondeLib
+  - ln -s $PWD/libraries/SX1278FSK /usr/local/share/arduino/libraries/SX1278FSK
+  - arduino --install-library "U8g2"
+script:
+  - arduino --board esp32:esp32:ttgo-lora32-v1 --verify $PWD/RX_FSK/RX_FSK.ino
+notifications:
+  email:
+    on_success: change
+    on_failure: change

RX_FSK/RX_FSK.ino

@@ -1002,7 +1002,7 @@ void initialMode() {
 // 2: access point mode in background. directly start initial mode (spectrum or scanner)
 // 3: traditional sync. WifiScan. Tries to connect to a network, in case of failure activates AP.
 //    Mode 3 shows more debug information on serial port and display.
-static char* _scan[2] = {"/", "\\"};
+static const char* _scan[2] = {"/", "\\"};
 void loopWifiScan() {
   if (sonde.config.wifi == 0) {   // no Wifi
     wifi_state = WIFI_DISABLED;
@@ -1102,7 +1102,8 @@ void loopWifiScan() {
 }
 
 void loop() {
-  Serial.println("Running main loop");
+  Serial.print("Running main loop. free heap:");
+  Serial.println(ESP.getFreeHeap());
   switch (mainState) {
     case ST_DECODER: loopDecoder(); break;
     case ST_SCANNER: loopScanner(); break;

RX_FSK/version.h

@@ -1,2 +1,2 @@
 const char *version_name = "RDZ_TTGO_SONDE";
-const char *version_id = "master v0.5";
+const char *version_id = "master v0.5b";

libraries/SX1278FSK/SX1278FSK.h

@@ -108,11 +108,11 @@
 #define        REG_MODEM_CONFIG3	 		 		0x26
 #define        REG_SYNC_CONFIG	  			0x27
 #define        REG_SYNC_VALUE1	 			0x28
-#define	       REG_FEI_MSB						0x28
+#define	       REG_LORA_FEI_MSB						0x28
 #define        REG_SYNC_VALUE2	  			0x29
-#define	       REG_FEI_MID						0x29
+#define	       REG_LORA_FEI_MID						0x29
 #define        REG_SYNC_VALUE3	  			0x2A
-#define	       REG_FEI_LSB						0x2A
+#define	       REG_LORA_FEI_LSB						0x2A
 #define        REG_SYNC_VALUE4	  			0x2B
 #define        REG_SYNC_VALUE5	  			0x2C
 #define	       REG_RSSI_WIDEBAND					0x2C

libraries/SondeLib/DFM.cpp

@@ -147,7 +147,7 @@ int DFM::hamming(uint8_t *ham, int L, uint8_t *sym) {
 DFM::DFM() {
 }
 
-void DFM::printRaw(char *label, int len, int ret, uint8_t *data)
+void DFM::printRaw(const char *label, int len, int ret, const uint8_t *data)
 {
 	Serial.print(label); Serial.print("(");
 	Serial.print(ret);

libraries/SondeLib/DFM.h

@@ -27,7 +27,7 @@ private:
 	uint32_t bits2val(const uint8_t *bits, int len);
 	int check(uint8_t code[8]);
 	int hamming(uint8_t *ham, int L, uint8_t *sym);
-	void printRaw(char *prefix, int len, int ret, uint8_t* data);
+	void printRaw(const char *prefix, int len, int ret, const uint8_t* data);
 	int decodeCFG(uint8_t *cfg);
 	int decodeDAT(uint8_t *dat);
 	int bitsToBytes(uint8_t *bits, uint8_t *bytes, int len);

libraries/SondeLib/RS41.cpp

@@ -74,8 +74,11 @@ int RS41::setup()
 #if RS41_DEBUG
 	Serial.println("Setup sx1278 for RS41 sonde");
 #endif
-	Gencrctab();
-	initrsc();
+	if(!initialized) {
+		Gencrctab();
+		initrsc();
+		initialized = true;
+	}
 
 	if(sx1278.ON()!=0) {
 		RS41_DBG(Serial.println("Setting SX1278 power on FAILED"));

libraries/SondeLib/RS41.h

@@ -42,6 +42,7 @@ private:
               { 1, 1, 1, 0, 0, 0, 0, 1}};
 	uint8_t He[8] = { 0x7, 0xB, 0xD, 0xE, 0x8, 0x4, 0x2, 0x1};  // Spalten von H:
                                                             // 1-bit-error-Syndrome
+	boolean initialized = false;
 
 public:
 	RS41();

libraries/SondeLib/aprs.cpp

@@ -9,7 +9,7 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <stdlib.h>;
+#include <stdlib.h>
 //#include <arpa/inet.h>
 //#include <sys/socket.h>
 #include <math.h>

libraries/SondeLib/aprs.h

@@ -4,7 +4,7 @@
 
 enum IDTYPE { ID_DFMDXL, ID_DFMGRAW, ID_DFMAUTO };
 
-typedef struct st_feedinfo {
+struct st_feedinfo {
 	bool active;
 	int type;	// 0:UDP(axudp), 1:TCP(aprs.fi)
 	char host[64];